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Diffstat (limited to 'qemu/roms/SLOF/board-js2x/llfw/hw.c')
-rw-r--r--qemu/roms/SLOF/board-js2x/llfw/hw.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/board-js2x/llfw/hw.c b/qemu/roms/SLOF/board-js2x/llfw/hw.c
new file mode 100644
index 000000000..e01b583b1
--- /dev/null
+++ b/qemu/roms/SLOF/board-js2x/llfw/hw.c
@@ -0,0 +1,124 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ * IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#include <cpu.h>
+#include <stdint.h>
+#include <hw.h>
+
+uint16_t
+bswap16_load(uint64_t addr)
+{
+ unsigned int val;
+ set_ci();
+ asm volatile ("lhbrx %0, 0, %1":"=r" (val):"r"(addr));
+ clr_ci();
+ return val;
+}
+
+uint32_t
+bswap32_load(uint64_t addr)
+{
+ unsigned int val;
+ set_ci();
+ asm volatile ("lwbrx %0, 0, %1":"=r" (val):"r"(addr));
+ clr_ci();
+ return val;
+}
+
+void
+bswap16_store(uint64_t addr, uint16_t val)
+{
+ set_ci();
+ asm volatile ("sthbrx %0, 0, %1"::"r" (val), "r"(addr));
+ clr_ci();
+}
+
+void
+bswap32_store(uint64_t addr, uint32_t val)
+{
+ set_ci();
+ asm volatile ("stwbrx %0, 0, %1"::"r" (val), "r"(addr));
+ clr_ci();
+}
+
+uint8_t
+load8_ci(uint64_t addr)
+{
+ uint8_t val;
+ set_ci();
+ val = *(uint8_t *) addr;
+ clr_ci();
+ return val;
+}
+
+uint16_t
+load16_ci(uint64_t addr)
+{
+ uint16_t val;
+ set_ci();
+ val = *(uint16_t *) addr;
+ clr_ci();
+ return val;
+}
+
+uint32_t
+load32_ci(uint64_t addr)
+{
+ uint32_t val;
+ set_ci();
+ val = *(uint32_t *) addr;
+ clr_ci();
+ return val;
+}
+
+uint64_t
+load64_ci(uint64_t addr)
+{
+ uint64_t val;
+ set_ci();
+ val = *(uint64_t *) addr;
+ clr_ci();
+ return val;
+}
+
+
+void
+store8_ci(uint64_t addr, uint8_t val)
+{
+ set_ci();
+ *(uint8_t *) addr = val;
+ clr_ci();
+}
+
+void
+store16_ci(uint64_t addr, uint16_t val)
+{
+ set_ci();
+ *(uint16_t *) addr = val;
+ clr_ci();
+}
+
+void
+store32_ci(uint64_t addr, uint32_t val)
+{
+ set_ci();
+ *(uint32_t *) addr = val;
+ clr_ci();
+}
+
+void
+store64_ci(uint64_t addr, uint64_t val)
+{
+ set_ci();
+ *(uint64_t *) addr = val;
+ clr_ci();
+}